Rod coupler



FIG. 1 is a front view of the present rod coupler;

FIG. 2 is a right side view of the rod coupler of FIG. 1;

FIG. 3 is a left side view of the rod coupler of FIG. 1;

FIG. 4 is a bottom view of the rod coupler of FIG. 1;

FIG. 5 is a rear view of the rod coupler of FIG. 1;

FIG. 6 is a top perspective view of the rod coupler of FIG. 1; and,

FIG. 7 is a top view of the rod coupler of FIG. 1.

The broken lines in the drawings illustrate portions of the rod coupler which form no part of the claimed design. 

CLAIM The ornamental design for a rod coupler, as shown and described. 